CN115369923B - Deformation-preventing slurry leakage post-pouring belt structure of basement bottom plate and construction method thereof - Google Patents
Deformation-preventing slurry leakage post-pouring belt structure of basement bottom plate and construction method thereof Download PDFInfo
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- CN115369923B CN115369923B CN202110551840.7A CN202110551840A CN115369923B CN 115369923 B CN115369923 B CN 115369923B CN 202110551840 A CN202110551840 A CN 202110551840A CN 115369923 B CN115369923 B CN 115369923B
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- 239000002002 slurry Substances 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 224
- 239000010959 steel Substances 0.000 claims description 224
- 230000002787 reinforcement Effects 0.000 claims description 94
- 238000004873 anchoring Methods 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 17
- 230000002265 prevention Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 12
- 230000002411 adverse Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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Abstract
The utility model provides a basement bottom plate shape of preapring for an unfavorable turn of events leaks post-cast strip structure and construction method thereof, includes bottom plate pouring area (1) and post-cast strip notch (2), its characterized in that: the novel post-pouring strip template casting machine is reasonable in structure, deformation and slurry leakage of the post-pouring strip template can be effectively avoided, the adverse condition that the post-pouring strip template deforms in the casting process and after casting is fundamentally avoided, and the concrete forming quality is good.
Description
Technical Field
The invention relates to a basement post-pouring strip structure and a construction method thereof, in particular to a basement bottom plate deformation-preventing slurry leakage post-pouring strip structure and a construction method thereof, and belongs to the technical field of constructional engineering.
Background
In the construction of a basement bottom plate with a large area, a post-pouring slot is reserved, and the pouring construction of a post-pouring belt is carried out after the construction of the basement bottom plate is completed. In the concrete pouring construction process of the basement bottom plate, the fixing of the side face template of the post-pouring belt is very important, and is limited by the fixing space, so that concrete can easily flow into the post-pouring belt part from the side face in the concrete pouring construction process of the basement bottom plate. In addition, the situation that the post-cast strip leaks slurry easily occurs in the casting process and after casting, and once slurry leakage occurs, cleaning is very troublesome, labor and time are wasted, and the overall engineering quality is affected. More importantly, the deformation and even the expansion of the post-cast strip template are easily caused in the pouring process due to the huge lateral pressure of concrete and vibration in the vibrating process, and the slurry leakage caused by the deformation of the post-cast strip template occurs. The structure which is convenient to install and good in concrete forming quality and can effectively prevent the post-pouring belt template from deforming and leaking slurry is lacking in the past to solve the technical problem.
Disclosure of Invention
The invention aims at solving the problems that the structure of a template is simple when the bottom plate of the traditional basement is poured, the deformation and slurry leakage of the post-pouring strip template are easy to cause in the pouring process due to the huge lateral pressure of concrete and vibration in the vibrating process, the cleaning is very troublesome, the labor and time are wasted, the defect and the defect of the whole engineering quality can be influenced, the structure is reasonable, the deformation and slurry leakage of the post-pouring strip template can be effectively avoided, the adverse condition that the post-pouring strip template deforms in the pouring process and after pouring is fundamentally avoided, the concrete forming quality is good, and the engineering quality of the basement bottom plate and the post-pouring strip is improved.
The second purpose of the invention is to overcome the defects of the basement bottom plate and the post-pouring slot opening in the construction process, the slurry leakage caused by the deformation of the post-pouring strip template occurs, the cleaning after slurry leakage is very troublesome, the labor and time are wasted, the defect and the defect of the whole engineering quality can be influenced, the construction method is reasonable in process and convenient to construct, the technical problems of deformation and slurry leakage of the post-pouring strip template are effectively solved, and the deformation and slurry leakage prevention post-pouring strip structure construction method for the basement bottom plate is good in concrete forming quality.
In order to achieve the first object, the present invention provides the following technical solutions: the utility model provides a basement bottom plate shape of preapring for an unfavorable turn of events leaks thick liquid post-cast strip structure, includes bottom plate pouring region and post-cast strip notch, and post-cast strip notch sets up in the plane of bottom plate pouring region, its characterized in that: the upper portion of the bottom plate pouring area is provided with an upper steel reinforcement framework, the lower portion of the bottom plate pouring area is provided with a lower steel reinforcement framework, the position, close to two sides of the post-pouring slot, of the bottom plate pouring area is provided with a side template deformation prevention structure respectively, the side template deformation prevention structure is fixedly connected with the upper steel reinforcement framework or the lower steel reinforcement framework, one side of a combining position of the bottom plate pouring area and the post-pouring slot is horizontally welded with a first water-stop steel plate, the other side of a combining position of the bottom plate pouring area and the post-pouring slot is horizontally welded with a second water-stop steel plate, two side surfaces of the post-pouring slot are respectively provided with lower templates, two side surfaces of the post-pouring slot are respectively provided with an upper template, and the lower templates and the upper templates are respectively fixed on the first water-stop steel plate or the second water-stop steel plate.
Further, the side form deformation preventing structure comprises an L-shaped steel reinforcement framework and side steel wire meshes, wherein the L-shaped steel reinforcement framework is arranged on two sides of a bottom plate pouring area, which are close to the post-pouring slot, and one side of a vertical surface of the L-shaped steel reinforcement framework, which is close to the post-pouring slot, is paved on a vertical surface of the L-shaped steel reinforcement framework, and the side steel wire meshes 11 are welded on the vertical surface of the L-shaped steel reinforcement framework.
Further, the side form deformation preventing structure comprises a vertical steel reinforcement framework and a side steel wire mesh, wherein the vertical steel reinforcement framework is welded and fixed at a position, close to one side of a post-pouring slot, on the upper steel reinforcement framework or the lower steel reinforcement framework, and the side steel wire mesh is paved and welded on the vertical surface of the vertical steel reinforcement framework.
Further, the bottom of the bottom plate pouring area and the bottom of the post-pouring slot opening are provided with an upper concrete cushion layer, a lower concrete cushion layer is paved on the lower portion of the upper concrete cushion layer, a first waterproof layer and a second waterproof layer are sequentially arranged between the lower concrete cushion layer and the upper concrete cushion layer from bottom to top, a reinforcement cushion layer is arranged at the bottom of the post-pouring slot opening and located on the upper surface of the upper concrete cushion layer, and a reinforcement frame which is arranged vertically and horizontally is arranged in the reinforcement cushion layer.
Further, the side steel wire mesh is paved and welded on one side or two sides of the vertical surface of the L-shaped steel reinforcement framework or the vertical surface of the vertical steel reinforcement framework, and the meshes of the side steel wire mesh are smaller.
Further, the lower template comprises a lower horizontal plate, a lower side panel and a lower anchoring plate, wherein the lower horizontal plate is positioned at the bottom of the bottom plate pouring area and is close to the post-pouring slot, the lower end of the lower side panel is fixed on the outer side of the horizontal plate, the lower anchoring plate is horizontally fixed on the outer side of the upper end of the lower side panel, and the lower anchoring plate is positioned on the bottom surface of the first water-stop steel plate and/or the second water-stop steel plate.
Further, the upper template comprises an upper side panel and an upper anchoring plate, wherein the upper end of the upper side panel is vertically fixed with the upper anchoring plate, and the upper anchoring plate is positioned on the upper surface of the first water stop steel plate and/or the second water stop steel plate.
Further, a plurality of template fixing holes are formed in the first water stop steel plate and the second water stop steel plate, a plurality of waist-shaped mounting holes are correspondingly formed in the lower anchoring plate and the upper anchoring plate respectively, and the lower anchoring plate and the upper anchoring plate are fixed on the first water stop steel plate or the second water stop steel plate through fastening bolts.
Further, the outer sides of the lower anchoring plate and the upper anchoring plate, which are close to the notch of the post-pouring strip, are respectively fixedly provided with an anchoring seat, and the anchoring seats are connected with the template supporting rods.
In order to achieve the second object, the present invention provides a technical solution as follows: the construction method of the basement bottom plate deformation-preventing slurry leakage post-pouring strip structure is characterized by comprising the following steps of:
a. firstly, paving a lower concrete cushion layer, sequentially paving a first waterproof layer and a second waterproof layer on the upper surface of the lower concrete cushion layer, and paving an upper concrete cushion layer on the upper surface of the second waterproof layer;
b. then, arranging a lower steel reinforcement framework at the lower part of the bottom plate pouring area, arranging an upper steel reinforcement framework at the upper part of the bottom plate pouring area, and connecting and fixing the upper steel reinforcement framework and the lower steel reinforcement framework through connecting steel bars;
c. secondly, respectively arranging L-shaped steel reinforcement frameworks on two sides of a bottom plate pouring area, which are close to a post-pouring slot opening, so that the vertical surface of the L-shaped steel reinforcement frameworks is close to one side of the post-pouring slot opening, or welding and fixing vertical steel reinforcement frameworks on the positions of one sides, which are close to the post-pouring slot opening, of the upper steel reinforcement frameworks and the lower steel reinforcement frameworks, and respectively paving and welding side steel wire meshes on the vertical surface of the L-shaped steel reinforcement frameworks or the vertical surface of the vertical steel reinforcement frameworks;
d. then a first water-stop steel plate is welded horizontally at one side of the joint of the bottom plate pouring area and the post-pouring slot, and a second water-stop steel plate is welded horizontally at the other side of the joint of the bottom plate pouring area and the post-pouring slot;
e. after the water-stop steel plate is fixed, lower templates are arranged at the two sides of the post-pouring slot and positioned at the lower part of the water-stop steel plate, upper templates are arranged at the two sides of the post-pouring slot and positioned at the upper part of the water-stop steel plate, and the lower templates and the upper templates are respectively fixed on the water-stop steel plate or a template support system;
f. and finally, pouring concrete in the pouring area of the bottom plate, wherein when the concrete is vibrated, the concrete is not vibrated at a position close to the notch of the post-pouring belt, the concrete is vibrated in an area which is more than 30 cm away from the notch of the post-pouring belt, and pouring construction is finished in the vibration process according to the condition that the surface of the concrete is not obviously sunk, no bubbles appear and mortar is poured on the surface.
The beneficial effects of the invention are as follows:
1. according to the invention, the side template deformation preventing structure is arranged in the bottom plate pouring area, the side steel wire mesh is paved and welded by the steel bar frame, and the side steel wire mesh has good side bearing capacity while ensuring certain flowability of concrete, so that slurry leakage and expansion of the post-pouring belt template are prevented.
2. The post-pouring strip template adopts a combined template structure formed by the upper template and the lower template, the upper template avoids adverse effects of the water-stop steel plate on template fixation, and a good fixation effect is achieved through a bolt fixation or anchoring mode.
3. The post-pouring strip template casting device is reasonable in structure, deformation and slurry leakage of the post-pouring strip template can be effectively avoided, the adverse condition that the post-pouring strip template deforms in the casting process and after casting is fundamentally avoided, the concrete forming quality is good, and the engineering quality of a basement bottom plate and the post-pouring strip is improved.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of the present invention.
Fig. 2 is a schematic structural view of a second embodiment of the present invention.
Fig. 3 is a schematic structural view of the water stop steel sheet of the present invention.
Fig. 4 is a schematic view of the structure of the lower die plate of the present invention.
Fig. 5 is a schematic view of the structure of the upper form of the present invention.
Fig. 6 is a schematic structural view of an anchor seat according to the present invention.
Fig. 7 is a schematic diagram of a connection structure between a side steel mesh and a vertical reinforcement cage according to the present invention.
In the figure: the concrete slab comprises a bottom plate pouring area 1, a post-pouring slot 2, a lower concrete cushion layer 3, a first waterproof layer 4, a second waterproof layer 5, an upper concrete cushion layer 6, an upper steel reinforcement framework 7, a lower steel reinforcement framework 8, an L-shaped steel reinforcement framework 9, a vertical steel reinforcement framework 10, a side steel wire mesh 11, a first water stop steel plate 12, a second water stop steel plate 13, a template fixing hole 14, a reinforcement cushion layer 15, a lower template 16, a lower horizontal plate 16-1, a lower side plate 16-2, a lower anchor plate 16-3, an upper template 17, an upper anchor plate 17-1, an upper side plate 17-2, a mounting hole 18, a fastening bolt 19 and an anchor seat 20.
Description of the embodiments
The invention is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 7, the deformation-preventing slurry leakage-preventing post-pouring strip structure for a basement bottom plate of the present invention comprises a bottom plate pouring area 1 and a post-pouring slot opening 2, wherein the post-pouring slot opening 2 is arranged in the plane of the bottom plate pouring area 1, and is characterized in that: the upper portion of the bottom plate pouring area 1 is provided with an upper steel reinforcement framework 7, the lower portion of the bottom plate pouring area 1 is provided with a lower steel reinforcement framework 8, the positions, close to two sides of the post-pouring slot opening 2, of the bottom plate pouring area 1 are respectively provided with a side template deformation prevention structure, the side template deformation prevention structure is fixedly connected with the upper steel reinforcement framework 7 or the lower steel reinforcement framework 8, one side of a joint position of the bottom plate pouring area 1 and the post-pouring slot opening 2 is horizontally welded with a first water-stop steel plate 12, the other side of a joint position of the bottom plate pouring area 1 and the post-pouring slot opening 2 is horizontally welded with a second water-stop steel plate 13, two side surfaces of the post-pouring slot opening 2 and positioned on the first water-stop steel plate 12 and the second water-stop steel plate 13 are respectively provided with a lower template 16, and the lower template 16 and the upper template 17 are respectively fixed on the first water-stop steel plate 12 or the second water-stop steel plate 13.
The side form deformation preventing structure comprises an L-shaped steel rib frame 9 and side steel wire meshes 11, wherein the L-shaped steel rib frame 9 is arranged on two sides of a bottom plate pouring area 1, which are close to a post-pouring slot opening 2, and one side of a vertical surface of the L-shaped steel rib frame 9, which is close to the post-pouring slot opening 2, is paved on a vertical surface of the L-shaped steel rib frame 9, and the side steel wire meshes 11 are welded on the vertical surface of the L-shaped steel rib frame 9.
The side template deformation preventing structure comprises a vertical steel reinforcement framework 10 and a side steel wire mesh 11, wherein the vertical steel reinforcement framework 10 is welded and fixed at a position, close to one side of the post-pouring slot 2, on the upper steel reinforcement framework 7 or the lower steel reinforcement framework 8, and the side steel wire mesh 11 is paved and welded on the vertical surface of the vertical steel reinforcement framework 10.
The bottom of the bottom plate pouring area 1 and the bottom of the post-pouring slot opening 2 are provided with an upper concrete cushion layer 6, a lower concrete cushion layer 3 is paved at the lower part of the upper concrete cushion layer 6, a first waterproof layer 4 and a second waterproof layer 5 are sequentially arranged between the lower concrete cushion layer 3 and the upper concrete cushion layer 6 from bottom to top, a reinforcement cushion layer 15 is arranged at the bottom of the post-pouring slot opening 2 and positioned on the upper surface of the upper concrete cushion layer 6, and a reinforcement frame which is vertically and horizontally arranged is arranged in the reinforcement cushion layer 15.
The side steel wire mesh 11 is paved and welded on one side or two sides of the vertical surface of the L-shaped steel reinforcement framework 9 or the vertical surface of the vertical steel reinforcement framework 10, and meshes of the side steel wire mesh 11 are smaller.
The lower form 16 includes a lower horizontal plate 16-1, a lower side panel 16-2, and a lower anchor plate 16-3, the lower horizontal plate 16-1 is located at the bottom of the floor casting area 1 and near the post-casting strip notch 2, the lower end of the lower side panel 16-2 is fixed at the outer side of the horizontal plate 16-1, the lower anchor plate 16-3 is horizontally fixed at the outer side of the upper end of the lower side panel 16-2, and the lower anchor plate 16-3 is located on the bottom surface of the first water stop steel plate 12 and/or the second water stop steel plate 13.
The upper template 17 comprises an upper anchoring plate 17-1 and an upper side panel 17-2, the upper end of the upper anchoring plate 17-1 is vertically fixed with the upper side panel 17-2, and the upper anchoring plate 17-1 is positioned on the upper surface of the first water stop steel plate 12 and/or the second water stop steel plate 13.
A plurality of template fixing holes 14 are formed in the first water-stop steel plate 12 and the second water-stop steel plate 13, a plurality of waist-round mounting holes 18 are correspondingly formed in the lower anchoring plate 16-3 and the upper anchoring plate 17-1 respectively, and the lower anchoring plate 16-3 and the upper anchoring plate 17-1 are fixed on the first water-stop steel plate 12 or the second water-stop steel plate 13 through fastening bolts 19.
The outer sides of the lower anchoring plate 16-3 and the upper anchoring plate 17-1, which are close to the post-pouring strip notch 2, are respectively fixedly provided with an anchoring seat 20, and the anchoring seats 20 are connected with a formwork supporting rod.
The construction method of the basement bottom plate deformation-preventing slurry leakage post-pouring strip structure is characterized by comprising the following steps of:
a. firstly, paving a lower concrete cushion layer 3, sequentially paving a first waterproof layer 4 and a second waterproof layer 5 on the upper surface of the lower concrete cushion layer 3, and paving an upper concrete cushion layer 6 on the upper surface of the second waterproof layer 5;
b. then, arranging a lower reinforcement cage 8 at the lower part of the bottom plate pouring area 1, arranging an upper reinforcement cage 7 at the upper part of the bottom plate pouring area 1, and connecting and fixing the upper reinforcement cage 7 and the lower reinforcement cage 8 through connecting reinforcement bars;
c. then, respectively arranging L-shaped steel rib frames 9 on two sides of the bottom plate pouring area 1, which are close to the post-pouring strip notch 2, so that the vertical surface of the L-shaped steel rib frames 9 is close to one side of the post-pouring strip notch 2, or welding and fixing a vertical steel rib frame 10 at the position of one side, which is close to the post-pouring strip notch 2, of the upper steel rib frame 7 and the lower steel rib frame 8, and respectively paving and welding side steel wire meshes 11 on the vertical surface of the L-shaped steel rib frames 9 or the vertical surface of the vertical steel rib frame 10;
d. then a first water-stop steel plate 12 is horizontally welded on one side of the joint of the bottom plate pouring area 1 and the post-pouring slot 2, and a second water-stop steel plate 13 is horizontally welded on the other side of the joint of the bottom plate pouring area 1 and the post-pouring slot 2;
e. after the water-stop steel plate is fixed, a lower template 16 is arranged at the two sides of the post-pouring slot 2 and positioned at the lower part of the water-stop steel plate, an upper template 17 is arranged at the two sides of the post-pouring slot 2 and positioned at the upper part of the water-stop steel plate, and the lower template 16 and the upper template 17 are respectively fixed on the water-stop steel plate or a template support system;
f. and finally, pouring concrete in the bottom plate pouring area 1, wherein when the concrete is vibrated, the concrete is not vibrated at a position close to the post-pouring slot opening 2, the concrete is vibrated in an area which is more than 30 cm away from the post-pouring slot opening 2, and pouring construction is finished according to the condition that the surface of the concrete is not obviously sunk, no bubbles appear and mortar is flooded out of the surface in the vibration process.
Referring to fig. 1 and 2, a post-pouring strip notch 2 is reserved in a bottom plate pouring area 1, and post-pouring strips are used for post-pouring in the post-pouring strip notch 2. The bottom of the bottom plate pouring area 1 and the bottom of the post-pouring slot opening 2 are provided with an upper concrete cushion layer 6, a lower concrete cushion layer 3 is paved on the lower portion of the upper concrete cushion layer 6, a first waterproof layer 4 and a second waterproof layer 5 are sequentially arranged between the lower concrete cushion layer 3 and the upper concrete cushion layer 6 from bottom to top, and the first waterproof layer 4 and the second waterproof layer 5 form a two-layer waterproof barrier. In addition, a reinforcement cushion layer 15 is arranged at the bottom of the post-pouring slot 2 and positioned on the upper surface of the upper concrete cushion layer 6, and reinforcement frames which are vertically and horizontally arranged are arranged in the reinforcement cushion layer 15.
The upper portion of the bottom plate pouring area 1 is provided with an upper steel reinforcement framework 7, the lower portion of the bottom plate pouring area 1 is provided with a lower steel reinforcement framework 8, and the upper steel reinforcement framework 7 is fixedly connected with the lower steel reinforcement framework 8 through connecting steel bars. A first water-stop steel plate 12 is horizontally welded on one side of the joint of the bottom plate pouring area 1 and the post-pouring slot 2, a second water-stop steel plate 13 is horizontally welded on the other side of the joint of the bottom plate pouring area 1 and the post-pouring slot 2, and the thicknesses of the first water-stop steel plate 12 and the second water-stop steel plate 13 are 2-4 mm.
In order to prevent the situation that the post-cast strip template is expanded in the concrete pouring process of the basement bottom plate and the concrete pouring process, the side template deformation preventing structure is arranged in the bottom plate pouring area 1 and is close to the post-cast strip notch 2, the side template deformation preventing structure is fixedly connected with the upper steel reinforcement framework 7, the lower steel reinforcement framework 8 or other fixing structures, and the side template deformation preventing structure is prevented from moving in the concrete pouring process and the concrete vibrating process. The side form deformation preventing structure is a structure which is arranged in the bottom plate pouring area 1 and has a bearing function, adopts a metal structure which can be poured in concrete, is generally a metal frame structure, and is preferably a steel wire mesh structure with frame support or a metal plate structure with holes.
Embodiment one: the side template deformation preventing structure comprises an L-shaped steel rib frame 9 and side steel wire meshes 11, wherein the L-shaped steel rib frame 9 is arranged on two sides of a bottom plate pouring area 1, which are close to a post-pouring slot opening 2, and one side of a vertical surface of the L-shaped steel rib frame 9, which is close to the post-pouring slot opening 2, is paved and welded with the side steel wire meshes 11 on the vertical surface of the L-shaped steel rib frame 9, and the side steel wire meshes 11 are paved and welded on one side or two sides. The mesh of the side steel wire mesh 11 is smaller, so that the side steel wire mesh has good side bearing capacity while ensuring certain fluidity of concrete, and is beneficial to preventing slurry leakage and expansion of the lower template 16 and the upper template 17.
Embodiment two: the side template deformation preventing structure comprises a vertical steel reinforcement framework 10 and a side steel wire mesh 11, wherein the vertical steel reinforcement framework 10 is welded and fixed at a position, close to one side of the post-pouring slot 2, on the upper steel reinforcement framework 7 or the lower steel reinforcement framework 8, the side steel wire mesh 11 is paved and welded on the vertical surface of the vertical steel reinforcement framework 10, and the side steel wire mesh 11 is paved and welded on one side or two sides. The mesh of the side steel wire mesh 11 is smaller, so that the side steel wire mesh has good side bearing capacity while ensuring certain fluidity of concrete, and is beneficial to preventing slurry leakage and expansion of the lower template 16 and the upper template 17.
Embodiment III: the side template deformation preventing structure comprises a vertical steel reinforcement framework 10 and a steel plate with holes, holes with a certain size are uniformly formed in the steel plate in a machine stamping mode, the steel plate can be a thin steel plate, and the vertical steel reinforcement framework 10 is welded and fixed at a position, close to one side of the post-pouring slot opening 2, on the upper steel reinforcement framework 7 or the lower steel reinforcement framework 8.
Because of the pre-buried arrangement of the water-stop steel plates, the installation and fixation difficulty of the post-pouring strip template is high, and the technical difficulty exists. The lower form 16 includes a lower horizontal plate 16-1, a lower side panel 16-2, and a lower anchor plate 16-3, the lower horizontal plate 16-1 is located at the bottom of the floor casting area 1 and near the post-casting strip notch 2, the lower end of the lower side panel 16-2 is fixed at the outside of the horizontal plate 16-1, the lower anchor plate 16-3 is horizontally fixed at the outside of the upper end of the lower side panel 16-2, and the lower anchor plate 16-3 is located on the bottom surface of the first water stop steel plate 12 and/or the second water stop steel plate 13. The upper form 17 includes an upper anchor plate 17-1 and an upper side panel 17-2, the upper end of the upper anchor plate 17-1 is vertically fixed with the upper side panel 17-2, and the upper anchor plate 17-1 is located on the upper surface of the first water stop steel plate 12 and/or the second water stop steel plate 13.
In order to solve the problem of fixing the joint between the lower template 16 and the upper template 17 and the water-stop steel plates, a plurality of template fixing holes 14 are formed in the first water-stop steel plate 12 and the second water-stop steel plate 13, a plurality of waist-shaped mounting holes 18 are correspondingly formed in the lower anchoring plate 16-3 and the upper anchoring plate 17-1 respectively, and the lower anchoring plate 16-3 and the upper anchoring plate 17-1 are fixed on the first water-stop steel plate 12 or the second water-stop steel plate 13 through fastening bolts 19. In another fixing mode, the first water stop steel plate 12 and the second water stop steel plate 13 do not need to be provided with the template fixing holes 14, but only the outer sides of the lower anchoring plate 16-3 and the upper anchoring plate 17-1, which are close to the post-pouring strip notch 2, are fixedly provided with the anchoring seats 20 respectively, and the lower anchoring plate and the upper anchoring plate are connected with the template supporting rods through the anchoring seats 20 or fixed with other positions convenient to fix through the anchoring seats 20.
The construction method of the basement bottom plate slurry leakage-proof post-pouring strip structure comprises the following steps: firstly, paving a lower concrete cushion layer 3, sequentially paving a first waterproof layer 4 and a second waterproof layer 5 on the upper surface of the lower concrete cushion layer 3, and paving an upper concrete cushion layer 6 on the upper surface of the second waterproof layer 5. Then, a lower reinforcement cage 8 is arranged at the lower part of the bottom plate pouring area 1, an upper reinforcement cage 7 is arranged at the upper part of the bottom plate pouring area 1, and the upper reinforcement cage 7 and the lower reinforcement cage 8 are fixedly connected through connecting reinforcement bars. Then, the two sides of the bottom plate pouring area 1, which are close to the post-pouring strip notch 2, are respectively provided with an L-shaped steel rib frame 9, so that the vertical surface of the L-shaped steel rib frame 9 is close to one side of the post-pouring strip notch 2, or the vertical surface of the L-shaped steel rib frame 9 or the vertical surface of the vertical steel rib frame 10 is respectively paved and welded with a side steel wire mesh 11 at the positions of one sides of the upper steel rib frame 7 and the lower steel rib frame 8, which are close to the post-pouring strip notch 2. And then a first water-stop steel plate 12 is horizontally welded on one side of the joint of the bottom plate pouring area 1 and the post-pouring slot 2, and a second water-stop steel plate 13 is horizontally welded on the other side of the joint of the bottom plate pouring area 1 and the post-pouring slot 2. After the water-stop steel plate is fixed, a lower template 16 is arranged at the two sides of the post-pouring slot 2 and positioned at the lower part of the water-stop steel plate, an upper template 17 is arranged at the two sides of the post-pouring slot 2 and positioned at the upper part of the water-stop steel plate, and the lower template 16 and the upper template 17 are respectively fixed on the water-stop steel plate or a template support system. And finally, pouring concrete in the bottom plate pouring area 1, wherein when the concrete is vibrated, the concrete is not vibrated at a position close to the post-pouring slot opening 2, the concrete is vibrated in an area which is more than 30 cm away from the post-pouring slot opening 2, and pouring construction is finished according to the condition that the surface of the concrete is not obviously sunk, no bubbles appear and mortar is flooded out of the surface in the vibration process.
The foregoing is a further detailed description of the present invention in connection with the specific embodiments, and it is not intended to limit the practice of the invention to such descriptions, but rather it is intended to cover all such alternatives, modifications, and variations as may be included within the spirit and scope of the invention.
Claims (4)
1. The utility model provides a basement bottom plate shape of preapring for an unfavorable turn of events leaks thick liquid post-cast strip structure, includes bottom plate pouring region (1) and post-cast strip notch (2), and post-cast strip notch (2) set up in the plane of bottom plate pouring region (1), its characterized in that: the upper part of the bottom plate pouring area (1) is provided with an upper steel reinforcement framework (7), the lower part of the bottom plate pouring area (1) is provided with a lower steel reinforcement framework (8), the positions inside the bottom plate pouring area (1) and close to two sides of the post-pouring trough (2) are respectively provided with a side template deformation prevention structure, the side template deformation prevention structure is fixedly connected with the upper steel reinforcement framework (7) or the lower steel reinforcement framework (8), one side of the joint part of the bottom plate pouring area (1) and the post-pouring trough (2) is horizontally welded with a first water-stopping steel plate (12), the other side of the joint part of the bottom plate pouring area (1) and the post-pouring trough (2) is welded with a second water-stopping steel plate (13), two side surfaces of the post-pouring trough (2) and positioned on the first water-stopping steel plate (12) and the second water-stopping steel plate (13) are respectively provided with a lower template (16), the two side surfaces of the post-pouring trough (2) and the upper surfaces of the first water-stopping steel plate (12) and the second water-stopping steel plate (13) are respectively provided with an upper template (17), the lower template (16) and the upper template (16) are respectively fixed on the first water-stopping steel plate (16) and the lower side plate (3-lower plate (16) respectively, the lower horizontal plate (16-1) is positioned at the bottom of the bottom plate pouring area (1) and is close to the post-pouring slot (2), the lower end of the lower side plate (16-2) is fixed at the outer side of the horizontal plate (16-1), the lower anchoring plate (16-3) is horizontally fixed at the outer side of the upper end of the lower side plate (16-2), the lower anchoring plate (16-3) is positioned on the bottom surface of the first water stop steel plate (12) and/or the second water stop steel plate (13), the upper template (17) comprises an upper anchoring plate (17-1) and an upper side plate (17-2), the upper end of the upper anchoring plate (17-1) is vertically fixed with an upper side plate (17-2), the upper anchoring plate (17-1) is positioned on the upper surface of the first water stop steel plate (12) and/or the second water stop steel plate (13), the side template deformation preventing structure comprises an L-shaped steel skeleton (9) and a side steel wire mesh (10) and a side steel mesh (11), the L-shaped steel skeleton (9) is arranged on the bottom surface of the bottom plate pouring area (1) and is close to the post-pouring slot (2), a side steel wire mesh (11) is paved and welded on the vertical surface of the L-shaped steel rib frame (9); the vertical reinforcement cage (10) is welded and fixed at a position, close to one side of the post-pouring slot (2), on the upper reinforcement cage (7) or the lower reinforcement cage (8), a side steel wire mesh (11) is paved and welded on a vertical surface of the vertical reinforcement cage (10), a plurality of template fixing holes (14) are formed in the first water stop steel plate (12) and the second water stop steel plate (13), a plurality of waist-shaped mounting holes (18) are correspondingly formed in the lower anchor plate (16-3) and the upper anchor plate (17-1) respectively, the lower anchor plate (16-3) and the upper anchor plate (17-1) are fixed on the first water stop steel plate (12) or the second water stop steel plate (13) through fastening bolts (19), anchor seats (20) are fixedly arranged on the outer sides, close to the post-pouring slot (2), of the lower anchor plate (16-3) and the upper anchor plate (17-1), and the template support rods are connected.
2. The basement bottom plate deformation-resistant slurry leakage post-pouring strip structure according to claim 1, wherein: the bottom of bottom plate pouring area (1) and post-pouring slot (2) is provided with concrete cushion (6), and concrete cushion (3) down has been laid to the lower part of going up concrete cushion (6), has set gradually first waterproof layer (4) and second waterproof layer (5) down between concrete cushion (3) and the last concrete cushion (6), and the bottom of post-pouring slot (2) and the upper surface that is located concrete cushion (6) are provided with reinforcement pad layer (15), are provided with the reinforcing bar frame of arranging vertically and horizontally in the reinforcement pad layer (15).
3. The basement bottom plate deformation-resistant slurry leakage post-pouring strip structure according to claim 1, wherein: the side steel wire mesh (11) is paved and welded on one side or two sides on the vertical surface of the L-shaped steel rib frame (9) or the vertical surface of the vertical steel reinforcement framework (10), and the meshes of the side steel wire mesh (11) are smaller.
4. A construction method for constructing the basement floor deformation-preventing slurry leakage post-pouring strip structure according to claim 1, which is characterized by comprising the following steps:
a. firstly, paving a lower concrete cushion layer (3), sequentially paving a first waterproof layer (4) and a second waterproof layer (5) on the upper surface of the lower concrete cushion layer (3), and paving an upper concrete cushion layer (6) on the upper surface of the second waterproof layer (5);
b. then, arranging a lower reinforcement cage (8) at the lower part of the bottom plate pouring area (1), arranging an upper reinforcement cage (7) at the upper part of the bottom plate pouring area (1), and connecting and fixing the upper reinforcement cage (7) and the lower reinforcement cage (8) through connecting reinforcement bars;
c. then, respectively arranging L-shaped steel rib frames (9) on two sides of the bottom plate pouring area (1) close to the post-pouring slot opening (2), so that the vertical surfaces of the L-shaped steel rib frames (9) are close to one side of the post-pouring slot opening (2), or welding and fixing vertical steel rib frames (10) on the positions of one sides of the upper steel rib frames (7) and the lower steel rib frames (8) close to the post-pouring slot opening (2), and respectively paving and welding side steel wire meshes (11) on the vertical surfaces of the L-shaped steel rib frames (9) or the vertical surfaces of the vertical steel rib frames (10);
d. then a first water-stopping steel plate (12) is horizontally welded on one side of the joint of the bottom plate pouring area (1) and the post-pouring slot (2), and a second water-stopping steel plate (13) is horizontally welded on the other side of the joint of the bottom plate pouring area (1) and the post-pouring slot (2);
e. after the water-stop steel plate is fixed, lower templates (16) are arranged at the two sides of the post-pouring slot (2) and positioned at the lower part of the water-stop steel plate, upper templates (17) are arranged at the two sides of the post-pouring slot (2) and positioned at the upper part of the water-stop steel plate, and the lower templates (16) and the upper templates (17) are respectively fixed on the water-stop steel plate or a template support system;
f. and finally, pouring concrete in the bottom plate pouring area (1), wherein when the concrete is vibrated, the concrete is not vibrated at a position close to the post-pouring slot opening (2), the concrete is vibrated in an area which is more than 30 cm away from the post-pouring slot opening (2), and pouring construction is finished according to the condition that the surface of the concrete is not obviously sunk, no bubbles appear and mortar is poured on the surface in the vibration process.
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| CN202110551840.7A CN115369923B (en) | 2021-05-20 | 2021-05-20 | Deformation-preventing slurry leakage post-pouring belt structure of basement bottom plate and construction method thereof |
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| CN202110551840.7A CN115369923B (en) | 2021-05-20 | 2021-05-20 | Deformation-preventing slurry leakage post-pouring belt structure of basement bottom plate and construction method thereof |
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| KR20100036049A (en) * | 2008-09-29 | 2010-04-07 | 이승환 | Underground constructure form system for preventing concretes of underground slab and girder from crack |
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| CN115369923A (en) | 2022-11-22 |
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